Testing YouTube URL Embedding

Regular https://www.youtube.com/watch?v=gocwRvLhDf8

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Shortened https://youtu.be/gocwRvLhDf8

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Timestamped (Shortened) https://youtu.be/gocwRvLhDf8?t=22

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Timestamped (&t=##) https://www.youtube.com/watch?v=gocwRvLhDf8&t=22

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Timestamped (&t=#m##s) https://www.youtube.com/watch?v=gocwRvLhDf8&t=0m22s

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Timestamped (&start=##) https://www.youtube.com/watch?v=gocwRvLhDf8&start=22

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/Embed https://www.youtube.com/embed/gocwRvLhDf8

https://www.youtube.com/embed/gocwRvLhDf8

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Embedded HTML <iframe width="854" height="480" src="https://www.youtube.com/embed/gocwRvLhDf8" frameborder="0" allowfullscreen></iframe>

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Mobile https://m.youtube.com/watch?v=gocwRvLhDf8

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Flash Player https://www.youtube.com/v/gocwRvLhDf8

https://www.youtube.com/v/gocwRvLhDf8

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YouTube TV https://www.youtube.com/tv#/watch/video/idle?v=gocwRvLhDf8

https://www.youtube.com/tv#/watch/video/idle?v=gocwRvLhDf8

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Unencrypted HTTP http://www.youtube.com/watch?v=gocwRvLhDf8

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Extra parameter after ID https://www.youtube.com/watch?v=gocwRvLhDf8&foo=bar

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Extra parameter before ID https://www.youtube.com/watch?foo=bar&v=gocwRvLhDf8

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Duplicate video ID https://www.youtube.com/watch?v=gocwRvLhDf8&v=dQw4w9WgXcQ

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Duplicate video ID (Shortened) https://youtu.be/gocwRvLhDf8?v=dQw4w9WgXcQ

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Duplicate start time https://www.youtube.com/watch?v=gocwRvLhDf8&t=22&start=33

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Duplicate start time 2 https://www.youtube.com/watch?v=gocwRvLhDf8&start=22&t=33

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Invalid ID https://www.youtube.com/watch?v=foobar

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Invalid ID 2 https://www.youtube.com/watch?v=+++

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Invalid ID (Shortened) https://youtu.be/foobar

https://youtu.be/foobar

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Testing YouTube URL placement

End of paragraph: Lorem ipsum dolor sit amet https://www.youtube.com/watch?v=gocwRvLhDf8

Lorem ipsum dolor sit amet

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Middle of paragraph: Lorem ipsum dolor sit amet https://www.youtube.com/watch?v=gocwRvLhDf8 consectetur adipiscing elit

Lorem ipsum dolor sit amet

consectetur adipiscing elit

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In block quote: > https://www.youtube.com/watch?v=gocwRvLhDf8

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In bulleted list: * https://www.youtube.com/watch?v=gocwRvLhDf8

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Inside <kbd> tags: <kbd>foo https://www.youtube.com/watch?v=gocwRvLhDf8 bar</kbd>

foo

bar

^{(Note: Looks like this produces invalid HTML; rendering may vary between browsers.)}

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Testing link syntax variations

[link](URL): [foo](https://www.youtube.com/watch?v=gocwRvLhDf8)

foo

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[URL](URL): [https://www.youtube.com/watch?v=gocwRvLhDf8](https://www.youtube.com/watch?v=gocwRvLhDf8)

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[URL](alt.URL): [https://www.youtube.com/watch?v=gocwRvLhDf8](https://www.youtube.com/watch?v=gocwRvLhDf8&t=22)

https://www.youtube.com/watch?v=gocwRvLhDf8

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[URL](URL "title"): [https://www.youtube.com/watch?v=gocwRvLhDf8](https://www.youtube.com/watch?v=gocwRvLhDf8 "Link title")

https://www.youtube.com/watch?v=gocwRvLhDf8

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Numbered URL:

[https://www.youtube.com/watch?v=gocwRvLhDf8][1]

   [1]: https://www.youtube.com/watch?v=gocwRvLhDf8

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Numbered URL with title:

[https://www.youtube.com/watch?v=gocwRvLhDf8][2]

   [2]: https://www.youtube.com/watch?v=gocwRvLhDf8 "Link title"

https://www.youtube.com/watch?v=gocwRvLhDf8